Gros Morne is the starting point of beautiful ramblings through the tropical forest of Martinique : Trace des jésuites (the Trace of the Jesuits), Trou des matelots, (the Hole of the sailors), Palourde (the Clam). Here is Morne des Roseaux, that is 670 meters at its highest point and is situated on the watershed between the Atlantic Ocean and the Caribbean Sea.